FIX: show macfinder

frontend/src/components/Navbar.vue

@@ -51,7 +51,7 @@
             <font-awesome-icon icon="tools"/>
             Werkzeuge
           </template>
-          <b-dropdown-item to="/tools/macfinder" v-if="$store.token" :active="$route.path === '/tools/macfinder'">
+          <b-dropdown-item to="/tools/macfinder" v-if="$store.state.token" :active="$route.path === '/tools/macfinder'">
             <font-awesome-icon fixed-width icon="ethernet"/>
             Macfinder
           </b-dropdown-item>